• International Journal of Concrete Structures and Materials ...

    International Journal of Concrete Structures and Materials operates a singleblind peerreview system, where the reviewers are aware of the names and affiliations of the authors, but the reviewer reports provided to authors are anonymous. Publiion of research articles by International Journal of Concrete Structures and Materials is dependent primarily on their scientific validity and ...

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  • International Journal of Concrete Structures and Materials ...

    Citation Impact 2year Impact Factor 5year Impact Factor Source Normalized Impact per Paper (SNIP) SCImago Journal Rank (SJR) Usage 386,973 downloads 3 Altmetric mentions. Who reads the journal? Learn more about the impact the International Journal of Concrete Structures and Materials has worldwide. Follow. Follow us on Twitter; Follow us on Facebook; Latest ...

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  • Aggregate Impact Value Test | Impact Test Of Aggregate ...

    1. Impact testing machine. 2. The total weight of the machine used in the test is not more than 60kg or not less than 45 kg.. 3. A steel cup shape as a cylinder usually internal dimension:. Diameter = 102mm. Depth = 50mm. Thickness = 4. to 14 kg hammer with the end of cylindrical shape is used for the impact load:. Diameter = 100mm

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  • Degradation of concrete structures from influence of ...

     · Typically, conventional concrete materials contain portland cement, coarse and fine aggregates, mineral or chemical additives, and water. Although the adhesion property and strength of concrete are obtained from the portland cement and its chemical hydration, the presence of various chemicals in the portland cement may cause deleterious distresses during .

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  • Climate change: The massive CO2 emitter you may not know ...

     · Concrete is the most widely used manmade material in existence. It is second only to water as the mostconsumed resource on the planet. But, while cement the key ingredient in concrete .

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  • The Cocaine Industry in Bolivia

    Bolivian medical researchers are investigating the health impact upon the pisadores, whose feet come into contact with kerosene over many hours. The researchers' preliminary reports are extremely alarming. While stomping on the leaves in a tedious and monotonous crushing process, the pisadores are often given alcoholic beverages, coca paste, a special meal and regional music, all of which are ...

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  • Frontiers | Impact of Silica Nanoparticles on the ...

     · 1 After being exposed to carbonation, the SNPincorporated FA concrete mix shows negligible enhancement in terms of compressive, flexural, and split tensile strength, which shows the low impact of carbonation on the SNP mix as compared to the control and SFincorporated mix, while sulphateexposed samples also do not demonstrate enough deficiency in strength, .

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  • Making Concrete Change: Innovation in Lowcarbon Cement ...

     · As a key input into concrete, the most widely used construction material in the world, cement is a major contributor to climate change. The chemical and thermal combustion processes involved in the production of cement are a large source of carbon dioxide (CO 2) year, more than 4 billion tonnes of cement are produced, accounting for .

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  • The world's growing concrete coasts

     · The world's coastlines are turning to concrete, at a huge cost to wildlife and the climate. But new technologies may offer a way to shore up coasts while benefiting biodiversity.

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  • (PDF) Impact Testing of Concrete

    Impact experiments are presented in this work. In order to analyse the behaviour of concrete under high strain rates, an impact mass is dropped from the maximum height of .

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  • Impact testing of concrete using a dropweight impact ...

    A detailed description of the instrumented dropweight impact machine is presented. The instrumentation, the calibration, the inertial loading correction, and the dynamic analysis of a concrete beam specimen undergoing threepoint impact flexural loading are described. Some results, using such an impact testing machine, obtained from tests done on plain concrete, fiberreinforced concrete, and ...

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  • Frontiers | Impact of Silica Nanoparticles on the ...

     · 1 After being exposed to carbonation, the SNPincorporated FA concrete mix shows negligible enhancement in terms of compressive, flexural, and split tensile strength, which shows the low impact of carbonation on the SNP mix as compared to the control and SFincorporated mix, while sulphateexposed samples also do not demonstrate enough deficiency in strength, which is not the .

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  • Nano Concrete Mix

     · Nano Concrete Mix Health Risks and Environmental Impacts. Download PDF Copy. By Akhlaqul Karomah Oct 28 2021 Reviewed by Skyla Baily. Nanotechnology is a rapidly growing discipline of science concerned with the creation of nanoparticles made up of various materials. Research in the journal Materials considers their use in concrete as an ...

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  • Sustainable Concrete Construction

    Sustainable concrete construction is a step towards green and eco friendly concrete construction practices to solve global environmental problems. Concrete is a construction material which has been used substantially all over the world. Regarding the amount of concrete that has produced, used and its impact are considered as an important part of the whole global environmental problems. The ...

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  • Environmental impact of concrete

    The environmental impact of concrete, its manufacture and appliions, are effects are harmful; others welcome. Many depend on circumstances. A major component of concrete is cement, which has its own environmental and social impacts and contributes largely to those of concrete.. The cement industry is one of the main producers of carbon dioxide, a potent greenhouse gas.

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  • Beam

    Track your impact towards tangible goals. With each and every unlocked donation, you can track your progress towards concrete goals — like planting 10 trees to restore California's forests — and see the combined impact you're making with every other Beamer out there.

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  • Workability of Concrete – Definition – Factors affecting ...

     · The time has same impact on workability of concrete, as is of the temperature. It is without a doubt that the concrete matrix gets stiffened with the passage of time, as a result of hydration reaction. The effect of time on workability is actually linked with the fluidity of concrete. By fluidity we mean the amount of water available in the concrete for the hydration of cement compounds for ...

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